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Water fluxes in the Brazilian Cerrado and the maintenance of water storage

Grant number: 18/03421-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2018
Effective date (End): February 28, 2019
Field of knowledge:Physical Sciences and Mathematics - Geosciences
Principal Investigator:Edson Cezar Wendland
Grantee:Caio Moralez de Figueiredo
Home Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated research grant:15/03806-1 - Water availability and quality threats in a Guarani Aquifer System outcrop zone, AP.BIOEN.TEM

Abstract

The suppression of natural systems such as the Brazilian Cerrado is recognized as one of the most significant changes in the global environment in the last century. Therefore, the objectives of this work will be to assess the water balance variables based on forest hydrology, micrometeorology, water balance models, experimental field plots and hydrogeology in a native wooded Cerrado area and to estimate the potential recharge of the aquifer in the study area. The study will be developed over a year period in an outcrop zone of the Guarani Aquifer System, located in the municipality of Itirapina-SP. Hence, the water and energy flows above the surfaces (evaporation and transpiration) and under the canopy layer will be monitored. The other components of the water balance, such as precipitation, surface runoff, interception, percolation, soil water storage, and aquifer recharge rates will also be measured. The results will be presented and discussed to support the work developed in the study area. (AU)